Note 2 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual)	1 Months Ended	9 Months Ended
	Feb. 28, 2022 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Accounts Receivable, after Allowance for Credit Loss, Current, Total		$ 83,201,000		$ 39,378,000
Accounts Payable and Accrued Liabilities, Current, Total		260,400,000		103,000,000.0
Income Taxes Receivable		3,200,000		3,200,000
Oil and Gas Joint Interest Billing Receivables		3,300,000		3,100,000
Accounts Receivable, Allowance for Credit Loss, Current		0		0
Prepaid Expense		5,700,000		7,200,000
Inventory, Raw Materials and Supplies, Gross, Total		8,200,000		3,300,000
Inventory, LIFO Reserve		0		0
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance		649,000		438,000
Payments of Debt Issuance Costs		9,221,000	$ 1,757,000
Amortization of Debt Issuance Costs		3,261,000	259,000
Debt Instrument, Unamortized Discount, Total		10,212,000		(0)
Amortization of Debt Discount (Premium)		4,609,000	0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total		$ 0
Number of Operating Segments		1
Minimum [Member]
Oil and Natural Gas Marketing Contracts, Term Over Which Consideration is Received from Purchaser (Month)		1 month
Maximum [Member]
Oil and Natural Gas Marketing Contracts, Term Over Which Consideration is Received from Purchaser (Month)		2 months
Senior Unsecured Notes and Revolving Credit Facility [Member]
Debt Issuance Costs, Gross		$ 11,800,000
Payments of Debt Issuance Costs		9,200,000
Amortization of Debt Issuance Costs		3,300,000	259,000
Senior Unsecured Notes Due 2024 [Member]
Payments of Debt Issuance Costs	$ 21,200,000
Debt Instrument, Unamortized Discount, Total	$ 14,800,000
Amortization of Debt Discount (Premium)		$ 4,600,000	$ 0
Transportation Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)		5 years
Building [Member]
Property, Plant and Equipment, Useful Life (Year)		40 years
Field Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)		7 years
Technology Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)		3 years
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Largest Purchaser [Member]
Concentration Risk, Percentage		88.00%	94.00%
Electric Power Infrastructure [Member]
Accounts Payable and Accrued Liabilities, Current, Total		$ 3,400,000
Settlements of Derivative Contracts [Member]
Accounts Receivable, after Allowance for Credit Loss, Current, Total		2,900,000		771,000
Aid-in-construction Receivables [Member] | WTG Gas Processing, L.P. [Member]
Accounts Receivable, after Allowance for Credit Loss, Total		6,200,000		3,900,000
Crude Oil, Natural Gas and Natural Gas Liquids [Member]
Accounts Receivable, after Allowance for Credit Loss, Current, Total		$ 70,400,000		$ 29,000,000.0